/*
* Copyright (c) 2013 City University of Hongkong.
*                    Cloud computing security group.
* 
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
* 
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

/*
* mc_utility.h - utility for Monte Carlo simulation.
*
* Authors: Xingliang Yuan     
* Emails:  xyuan86@gmail.com
*
*/


#ifndef MC_UTILITY_H
#define MC_UTILITY_H

class mc_utility
{
protected: 

    /*  
    * description: generate random number within [0, 1]
    * param: 
    * return: a float number
    */
    float gen_random();

    /*  
    * description: generate uniformly distributed random number 
    * param: range [low, high]
    * return: a unsigned int number 
    */
    unsigned int gen_uniform_random(unsigned int low, unsigned int high);
};

#endif // MC_UTILITY_H

